Smoke During Operation
Problem
Black
Grey
Blue-Grey
Blue
White
Groundsmaster 455-D
Possible Causes
Defective injector
Injection pump out of adjustment
Injection pump timing
Air intake restricted
Inlet chambers clogged
Not enough advance
Defective injector
Injection pump timing
Air intake restricted
Not enough advance
Defective injector
Injection pump timing
Too much oil
Too much oil
Wear
Injection pump timing
Cylinder head gasket
Cold engine
Page 3 - 25 Rev. B
Engine